CN205274251U - Liquid storage tank - Google Patents
Liquid storage tank Download PDFInfo
- Publication number
- CN205274251U CN205274251U CN201521069456.XU CN201521069456U CN205274251U CN 205274251 U CN205274251 U CN 205274251U CN 201521069456 U CN201521069456 U CN 201521069456U CN 205274251 U CN205274251 U CN 205274251U
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- China
- Prior art keywords
- storage tank
- liquid
- liquid level
- main storage
- resistance
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Abstract
The utility model discloses a liquid storage tank, including main storage tank and vice storage tank, main storage tank all is equipped with the discharge gate with vice storage tank bottom, and the discharge gate of vice storage tank passes through pipeline and main storage tank intercommunication, is provided with the ooff valve on the pipeline, characterized by, and the ooff valve is the solenoid valve, still including the controlling means who is used for the control solenoid break -make, controlling means includes: detecting element for detect the liquid level of liquid in the main storage tank, and export corresponding liquid level signal, the control unit for carry out the comparison with this a liquid level signal and a predetermined value, and according to the corresponding control signal of comparative result output, the switch element, in response to control signal, the control solenoid break -make, electrical unit for provide operating voltage for the control unit. The utility model discloses can happen to the automatic pair storage tank of opening when hanging down in the liquid level of the liquid in the main storage tank, make the interior liquid flow of vice storage tank advance main storage tank to reduce staff's the amount of labour.
Description
Technical field
This utility model relates to a kind of aluminium slag ball and produces equipment, more specifically, it relates to a kind of liquid storage tank.
Background technology
Aluminium slag ball has deoxidation and effect of synthesis refining agent, its production process is usually and first plurality of raw materials powder is put into mix homogeneously in rotary drum batch mixer, add bath of glass, continuous stirring mix homogeneously in twin screws blender, immediately after material is put into rolling balling-up in roll type ball press, screening qualified grain size enters baking a period of time, final sizing, packaging, warehouse-in in air cooking equipment. Wherein, bath of glass is usually and is stored in a storage tank, and storage tank is connected with the pipeline being connected with twin screws blender. It addition, in order to prevent bath of glass supply deficiency, generally all can set up a standby storage tank, two storage tanks are by pipeline communication, and are provided with hand-operated valve on the pipeline of connection. When bath of glass in main storage tank is used up, just can open hand-operated valve, use in standby storage tank. But, the handoff procedure of two storage tanks needs staff manually to go to open switch valve, adds the workload of staff to a certain extent, and the carelessness once staff works, do not find that bath of glass is not enough in time, can cause that the time of mixing increases, be unfavorable for efficient production.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is in that to provide a kind of liquid storage tank, there is main storage tank and secondary storage tank, it can automatically open up secondary storage tank when the level value of the liquid in main storage tank is too low, the liquid in secondary storage tank is made to flow to main storage tank, thus the amount of labour reduced a staff.
For achieving the above object, this utility model provides following technical scheme:
A kind of liquid storage tank, is equipped with discharging opening including bottom main storage tank and secondary storage tank, main storage tank and secondary storage tank, and the discharging opening of secondary storage tank is connected with main storage tank by pipeline, and described pipeline is provided with switch valve, and described switch valve is electromagnetic valve; Also including the control device for controlling described electromagnetic valve break-make, described control device includes:
Detection unit, for detecting the liquid level of liquid in main storage tank, and exports corresponding liquid level signal;
Control unit, for this liquid level signal and a predetermined value being compared, and exports corresponding control signal according to comparative result;
Switch element, in response to control signal, controls electromagnetic valve break-make;
Power subsystem, for providing running voltage for control unit.
Further, described detection unit includes pressure liquid level sensor.
Further, described control unit includes:
Reference circuit, is used for generating this predetermined value;
Comparator, its in-phase end inputs this predetermined value, and end of oppisite phase inputs this liquid level signal;
Phase inverter, its input is coupled to the outfan of comparator.
Further, described reference circuit includes the first resistance and the second resistance that are connected in series, and wherein, the other end of the first resistance is coupled to a VCC voltage, the other end ground connection of the second resistance.
Further, described switch element includes:
One first resistance, one termination receives described control signal;
One NPN audion, its base stage is coupled to the other end of the first resistance, grounded emitter;
The colelctor electrode of one relay, one end of its coil and NPN audion couples, and the other end and a VCC voltage couple, and the control end of its normally opened contact switch and described electromagnetic valve couples;
One diode, with the coil inverse parallel of relay.
Compared with prior art, the utility model has the advantages that: by above technical scheme, when detecting unit and detecting that the liquid level in main storage tank is too low, control unit is by after comparing liquid level signal with predetermined value, exporting corresponding control signal, it is open-minded that this switch unit responds controls electromagnetic valve in control signal. Therefore, this control device can automatically control secondary storage tank to main storage tank feed, it is to avoid the trouble manually opened.
Accompanying drawing explanation
Fig. 1 is the structural representation of liquid storage tank in this utility model;
Fig. 2 is the circuit diagram of control unit and switch element in this utility model;
Fig. 3 is the circuit diagram of power subsystem in this utility model.
Accompanying drawing labelling: 1, main storage tank, 2, secondary storage tank, 3, pipeline, 4, electromagnetic valve, 100, control unit, 110, reference circuit, 200, switch element, 300, power subsystem.
Detailed description of the invention
With reference to Fig. 1, a kind of liquid storage tank, including main storage tank 1 and secondary storage tank 2, it is equipped with discharging opening bottom main storage tank 1 and secondary storage tank 2, the discharging opening of secondary storage tank 2 is connected with main storage tank 1 by pipeline 3, and pipeline 3 is provided with switch valve, and switch valve is electromagnetic valve 4; Also including the control device for controlling electromagnetic valve 4 break-make, this control device includes detection unit, control unit 100 and switch element 200. Wherein, detection unit is for detecting the liquid level of liquid in main storage tank 1, and exports corresponding liquid level signal, and here, detection unit can adopt liquid level sensor, and it generates corresponding analogue signal according to the pressure of liquid in main storage tank 1; Control unit 100 is for comparing this liquid level signal and a predetermined value, and exports corresponding control signal according to comparative result; Switch element 200, in response to control signal, controls electromagnetic valve 4 break-make; And power subsystem 300, for providing running voltage for control unit 100.
With reference to Fig. 2, control unit 100 includes reference circuit 110, comparator and phase inverter. Wherein, reference circuit 110 is used for generating this predetermined value, and including the resistance R1 being connected in series and resistance R2, wherein, the other end of resistance R1 is coupled to a VCC voltage, and therefore the other end ground connection of resistance R2, export this predetermined value from the junction point of resistance R1 Yu resistance R2; The in-phase end of comparator inputs this predetermined value, and end of oppisite phase inputs this liquid level signal; The input of phase inverter is coupled to the outfan of comparator. Therefore, the operation principle of control unit 100 is, when liquid level signal is lower than predetermined value, and the comparison signal of comparator output low level, after inverted device is anti-phase, be converted to the control signal of high level. Otherwise, the control signal of phase inverter output low level.
Switch element 200 includes resistance R3, NPN audion Q1, relay K A, diode D1. Wherein, one end of resistance R3 receives control signal, and the base stage of NPN audion Q1 is coupled to the other end of resistance R3, grounded emitter; The colelctor electrode of one end of the coil of relay K A and NPN audion Q1 couples, and the other end and a VCC voltage couple, and the control end of its normally opened contact switch S1 and electromagnetic valve 4 couples; The coil inverse parallel of diode D1 and relay K A.
With reference to Fig. 3, power subsystem 300 is common a kind of regulated power supply, and civil power 220V voltage is converted to VCC voltage by it, and exports at its outfan, and concrete operation principle, the present embodiment repeats no more.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model. It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (5)
1. a liquid storage tank, is equipped with discharging opening including bottom main storage tank and secondary storage tank, main storage tank and secondary storage tank, the discharging opening of secondary storage tank is connected with main storage tank by pipeline, being provided with switch valve on described pipeline, it is characterized in that, described switch valve is electromagnetic valve; Also including the control device for controlling described electromagnetic valve break-make, described control device includes:
Detection unit, for detecting the liquid level of liquid in main storage tank, and exports corresponding liquid level signal;
Control unit, for this liquid level signal and a predetermined value being compared, and exports corresponding control signal according to comparative result;
Switch element, in response to control signal, controls electromagnetic valve break-make;
Power subsystem, for providing running voltage for control unit.
2. liquid storage tank according to claim 1, is characterized in that, described detection unit includes pressure liquid level sensor.
3. liquid storage tank according to claim 1, is characterized in that, described control unit includes:
Reference circuit, is used for generating this predetermined value;
Comparator, its in-phase end inputs this predetermined value, and end of oppisite phase inputs this liquid level signal;
Phase inverter, its input is coupled to the outfan of comparator.
4. liquid storage tank according to claim 3, is characterized in that, described reference circuit includes the first resistance and the second resistance that are connected in series, and wherein, the other end of the first resistance is coupled to a VCC voltage, the other end ground connection of the second resistance.
5. liquid storage tank according to claim 1, is characterized in that, described switch element includes:
One first resistance, one termination receives described control signal;
One NPN audion, its base stage is coupled to the other end of the first resistance, grounded emitter;
The colelctor electrode of one relay, one end of its coil and NPN audion couples, and the other end and a VCC voltage couple, and the control end of its normally opened contact switch and described electromagnetic valve couples;
One diode, with the coil inverse parallel of relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521069456.XU CN205274251U (en) | 2015-12-21 | 2015-12-21 | Liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521069456.XU CN205274251U (en) | 2015-12-21 | 2015-12-21 | Liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205274251U true CN205274251U (en) | 2016-06-01 |
Family
ID=56058850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521069456.XU Expired - Fee Related CN205274251U (en) | 2015-12-21 | 2015-12-21 | Liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205274251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605315A (en) * | 2019-02-22 | 2020-09-01 | 精工爱普生株式会社 | Ink server and ink supply system |
-
2015
- 2015-12-21 CN CN201521069456.XU patent/CN205274251U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111605315A (en) * | 2019-02-22 | 2020-09-01 | 精工爱普生株式会社 | Ink server and ink supply system |
| US11207893B2 (en) * | 2019-02-22 | 2021-12-28 | Seiko Epson Corporation | Ink server and ink supply system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20201221 |